Mick Jagger sends Kristen Wiig off in style in the season finale of Saturday Night Live -- and she sings at the after party, Pearl Jam will be a headliner for Jay-Z's "Made In America" music festival, Adele racks up 12 awards at the 2012 Billboard Music Awards, and more on today's Music News Round Up! Check it out.

[Mick Jagger, Kristen Wiig via] More»

Over the weekend, thousands of flower-power clad party people headed over to the MetLife Stadium in New Jersey for the electronic dance festival, the Electric Daisy Carnival. With 31 sets and four stages, house music was broadcast on satellite radio and webcast continuously for 11 hours. Headliners, such as Avicii, got the crowd full of neon sunglasses and flurry boots chanting and cheering at the massive screens that projected the DJs' images. More»

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There's a reason Neon Carnival, the Saturday night Coachella weekend party produced by Jeffrey Best and Brent Bolthouse, receives the sort of high-octane hype we're typically inclined to dismiss; it's because it truly is the most outrageous event of the year in the L.A. market. Of course the Jeremy Scott x Adidas party on the same night was dope, but it didn't have bumper cars, a giant slide, or a jam-packed dance floor of guests like Usher, Paris Hilton, and Kevin Connolly getting down like it's their job until 3:30a.m. like this year's third annual Neon Carnival. More»

Friday night, Marquee went down under in Sydney to see if Australia could keep up with the NYC/Las Vegas party scene. Apparently, it was such a huge success that organizers were forced to send away a substantial amount of people at the door, even after waiting 2 hours on line. Was it worth the wait? Take a look inside... More»

The 54th Annual Grammy Awards takes over the Staples Center; Paris Hilton and Afrojack attend EMI's Grammy after party; Tony Bennett and Diana Krall perform at Clive Davis and The Recording Academy's Pre-Grammy Gala; Ne-Yo and Compound Entertainment throw a Pre-Grammy midnight brunch; Kelly Clarkson and John Legend attend Sony Music Group's Grammy Reception at Cecconi's; Bruno Mars performs at Warner Music Group's Grammy Celebration hosted at Chateau; Jay-Z's Roc Nation holds a pre-Grammy brunch at Soho House; MusiCares honors Paul McCartney as person of the year and raises $6.5 million for artists; Cash Money Records holds their 3rd annual pre-Grammy Awards party with Lil Wayne and Drake; Flo-Rida and Pia Toscano rock the house at OK! Magazine's pre-Grammy event—Los Angeles was alive with music this weekend and we've got your inside scoop on all the festivities and the celebrities who attended them in this edition of Last Night's Parties! More»

L.A. Confidential Magazine and Tony Bennett enjoy an elegant dinner at Crustacean in Beverly Hills to celebrate the Grammys; Jerry Ferrara and P. Diddy showed up for the premiere of Think Like A Man; Mary J. Blige rocks the Avalon for the (Belvedere) RED Pre-Grammy Party; Mark Ronson DJs the Re:Generaton Music Project World Premiere; Paris Hilton and The Black Eyed Peas hit the 1st Annual Trans4Mation pre-Grammy party; Kelly Price and Whitney Houston take the stage at For The Love of R&B Grammy party before Whitney is angrily escorted out; Christina Milian and Eric Stonestreet of “Modern Family” celebrate L.A.’s music industry with a party at The Getty House; Lily Aldridge shows off her baby bump at HBO's "Eastbound and Down” season three premiere; Bill Nye the Science Guy and Chris Evans, celebrated the worldwide debut of a new 100% electric Tesla SUV—from Whitney Houston's latest public adventure in being a hot mess to new electric cars, we've got the details on what went down Thursday in Los Angeles in this edition of Last Night's Parties! More»

After several days of being weened off Belvedere since his return from Park City, Party Baby has resurfaced to give us the final rundown of his Sundance coverage with the lovely Michelle Marie. We didn't think it could get much wilder than the escapades of going absolutely H.A.M. with Wiz Khalifa, Danny Masterson and Paris Hilton he recounted for us last time, but it appears this brash little party monster was only just warming up. From front row at the Aziz Ansari and Drake show and passing out on DJ booths to being fed fine gourmet  by world famous NYC chefs and man-kisses with NFL linebackers, see what kind of trouble Party Baby was causing towards the end of his adventure to Utah. More»

Dita Von Teese, Jenna Elfman and more hit Luis Barajas and Emmy Rossum's Winter feast/cocktail party; Starz! rolls out the black carpet for the premiere of new original series "Spartacus Vengeance" in Hollywood; John Baldessari, Joel Silver, and Diane Keaton step of for the debut of Rodarte's newest collaboration with LACMA; Steve Aoki has a record release party; Mr. & Mrs. Smith throw a chichi launch party for their new travel guide book at Soho House; the Winklevi turn up at Connor Cruise's 17th bday bash at the Clippers game—it was just another Wednesday night L.A., let's discuss in this edition of Last Night's Parties. More»